Midplane box (SFF)
Item Description
1 Box 7
Drive bay numbering
Drive bay numbering depends on how the drive backplanes are connected:
• To a controller:
◦ Embedded controllers use the onboard SATA ports.
◦ Type-a controllers install to the type-a smart array connector.
◦ Type-p controllers install to a PCIe riser.
• To a SAS expander:
Installs in the primary or secondary PCIe riser
Drive bay numbering: Smart Array controller
When the drive backplane is connected directly to a storage controller, then each drive box starts at 1. The following
images are examples of common configurations.
24 SFF
26
Component identification
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